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DIY X-ray CT scanner controlled by an Arduino

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Published on Jan 8, 2013

I built a CT scanner from an x-ray tube that I bought on eBay, a stepper motor, a large ring bearing, and an Arduino. I used a phosphor screen and my camera to capture x-ray shadow images of a frozen chicken, while the Arduino and stepper motor rotated the chicken by 8 degrees between shots. The resulting 45 images were combined via filtered back projection to create a 3D volume reconstruction of the chicken.

Software used:

Panasonic SilkyPix (for .RW2 development)

Adobe Bridge/Photoshop for image perspective correction

Cygwin/Octave for filtered backprojection

Cone Beam Computed Tomography algorithm
http://www.mathworks.com/matlabcentra...

3D Slicer for visualization and volume rendering
http://www.slicer.org/

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